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libosip2 (3.5.0)
* iphone with TCP/TLS background support.
* android support.
* a lot of minor change/fix/improvments, sorry for not being
  able to have an history here...

libosip2 (3.4.0)
* remove CRLF before parsing SIP message.
* modification to allow non-blocking socket for reliable transport.
* fix race condition for non-atomic incrementation operation.
* osip_list improvements.
* osip_list prototypes and warnings fix.
* new osip_strcasestr method.

libosip2 (3.3.0)
* new APPLE native interface for semaphore
* add relative time in log information on linux/windows
* fix: unescape last uri parameters.

libosip2 (3.2.0)
* return new error code for all API.

libosip2 (3.1.0)
* Windows Mobile 5/6 improvments.
* allow uncompliant/IMS authentication headers.
* fix when a space appear as the first char in body.
* terminate body with '\0' after parsing (don't rely on this!)

libosip2 (3.0.3)
* initial support for rtems.

libosip2 (3.0.2)
* initial support for ucos.
* fix to ignore broken optionnal header when parsing.

libosip2 (3.0.1)
* add Windows CE support with Visual Studio 2005
  (WM5.0,PocketPC 2003/2005, Smartphone)
* Fix memory leaks (not likely to happen).
* Fix buffer overrun in url.
* Modification of the Application Binary Interface (ABI)
  to decrease number of allocations.
  Changes: osip_message_t/osip_dialog_t/sdp_message_t/osip_fifo_t
* save route headers in the same order (CALLER or CALLER) in dialogs.

libosip2 (2.2.3)
* fix 64-bit (amd64) issue with hash.
* remove SDP negotiation (much better to do it in your applications)

libosip2 (2.2.2)
* parser speed improvements
* replace mutex with critical section on windows for performance.
* fix a bug in the parser for empty header (also store empty Accept header)
* improve mime support.
* improve sipfrag support.
* add NULL checks (uris...).
* patch for PSOS support.

libosip2 (2.2.1)
* fix a potential mem leak content_type and osip_message_parse.
* fix osip_body_clone method (add terminating NULL)
* fix for binary support when multipart is used.
* automatic check for reliable protocol SCTP and TLS.
* avoid <winsock.h> inclusion so user can (and must) now include either
  <winsock.h> or <winsock2.h> before including <osip/osip2.h>

libosip2 (2.2.0)
* remove #ifdef OSIP_RETRANSMIT_2XX to always compile it.
* initialize remote_contact_uri when dialog is built with notify.
* allow very short attachements.
* new macros allocators.
* remove use of alloca in the parser.
* fix memory bug when realloc is needed on large message.
* remove useless prototypes.
* fix memory access in parser.
* API slightly broken to enable support for binary data.
* improvements of the sip message test suite.

libosip2 (2.0.9)
* fix detection of CRLFCRLF in osip_util_replace_all_lws.
* fix expires header with comma.
* fix a few memory leak in parser.
* improvements for the new sdp negociator.
* fix trace mode.

libosip2 (2.0.8)
* Fix lookup of generic/uri parameter (use case-insensitive comparison)
* Initial release of the new SDP negociator. (old one will be removed)
* fix bug in parser (windows)
* fix lookup of generic_paramter and uri_parameter.
* fix memory leak in condition variable (windows).

libosip2 (2.0.7)
* Fix a parser bug for uncomplete request line.
* Update timer facility for windows.
* Remove useless #define.

libosip2 (2.0.6)
* Fix a memory access in authentication headers.
* Fix possible buffer overflow in uri.
* Two memory bug fix in the parser.
* allow missing tag in To header of incoming request.
* reindentation of all code.
* improve configure.in file
* tiny other fix (doxygen, prototypes, warnings)

libosip2 (2.0.5)
* Fix for content-type header.
* New optionnal timer interface. (will become the default)
* fix the sent-by check for matching response with transaction.

libosip2 (2.0.4)
* fix random number generation on windows.
* fix for MingGw compiler
* set paramter of sdp_negociation_t structure to NULL on init.

libosip2 (2.0.3)
* new method to create dialog from NOTIFY requests.
* fix random number generation to avoid possible guess of random numbers.
* fix a bug for media line with number_of_port specified
* fix compile issue with --disable-trace & --disable-debug

libosip2 (2.0.2)
* fix Makefile.am to include debian directory.
* fix a bug when response contains a code set to "0".
* fix a bug when Mime-version is present but Content-type is undefined.
* fix when Call-Id is missing.

libosip2 (2.0.1)
* fix bug in osip_message_to_str() for too long messages.
* improve robustness when parsing empty headers.
* add optionnal retransmission of 2xx and ACK for INVITE capabilities.
* fix bug on exit for WIN32.

libosip2 (2.0.0)
* initial release of libosip2

libosip2 (1.99.6)
        * complete new organization of files and directories.
        * become libosip2.
        
libosip (1.99.4)
        * fix a bug when ACK for 3456xx can't be built.
        * complete reorganisation of includes, files and directories.
        * moving free to corresponding *_free()
        * remove the need to define HAVE_* to compile simple program with osip2
        * complete renaming of the API.

libosip (0.9.7)
* fix a bug in hdr_wwwauthenticate.c.
* patch for debian packaging and version management.
* extra free removed for pSOS (smutex_destroy/ssem_destroy)
* fix crash when osip can't build ACK for 3456xx to INVITEs.
* Extra spaces now appear before content-length digits.

libosip (0.9.6)
* fix transaction_init for request without mandatory headers.
* refuse to create transactions with cseq and method that differs.
* check minimum authorized length for method name of request.
* fix the state when a retransmission of INVITE is received.
* Minor changes in #define definitions just for clarity.

libosip (0.9.5)
* fix a memory leak for retransmissions in msg_2char.
* fix a bug when startline end with CRCRLF.

libosip (0.9.4)
* fix win32 compilation for Debug release.
* re-fix(?) the parsing of the Date header.
* verify log strings are NULL terminated.
* add syslog support.
* continue WINCE port.

libosip (0.9.3)
* fix a bug for quoted strings starting with an escaped char '\'.
* initial commit for WinCE support. (uncomplete)
* fsm/port_sema.c: (windows only) sem_trywait was never returning 0.
* add a method to get possible destination and port for a request.

libosip (0.9.2)
* add support for the received and rport parameters inside the osip stack.
* sdp_negoc.c: fix the video support.
* msg_parser.c: use realloc for main buffer of msg_parse().
* hdr_authorization.c: improve end of header detection.
* hdr_callinfo.c: fix a bug when realloc happen here.
* hdr_from.c: accept empty parameter.

libosip (0.9.1)
* fix non multi-threaded version. (fifo_size was broken)
* Add win32 system logger feature. (compile with SYSTEM_LOGGER_ENABLED)

libosip (0.9.0)
* a few warnings fix for win32.
* Change *_2char methods so they use realloc. (not yet finished!)
* Update the API and sip_t to support multiple "Authorization" headers.
* bug fixed in sclrspace() when allocated string is of length 1.
* bug fix ("sip:" and "sips:" should be equivalent to "SIP:" and "SIPS:")
* remove a printf.
* remove DEBUG() macros
* move TRACE -> OSIP_TRACE
* move trace -> osip_trace   to avoid duplicate definitions

libosip (0.8.9)
* smsg.h: fix max_forward to max_forwards.
* osip/osip.h: you can now attach an application pointer to osip_t
* osip/dialog.h: fix prototype for hp-ux compiler.
* fsm/transaction.c: add transaction_free2(). A usefull method to
  free a transaction without removing it from the osip stack. (To
  be used when it has been already removed earlier.)

libosip (0.8.8)
* windows: The windows contributions was wrong. Thread were killed
  instead of joined. I changed that...
* transaction.c/ict.c/ist.c/nict.c/nist.c: Avoid a race conditions
  when a retransmission might be added before the initial message
  is added in the fifo. (very unlikely to happen...)
* urls.c: built-in support of escaped sequences in sip-uri!
* vxworks minor patches.
* nict.c and ict.c: fix a bug with the setting of the port.
* fsm/dialog.c: if 1xx answer does not contain the route set, update
  it when the 200 OK comes in.
* parser/hdr_acceptencoding.c: msg_2char use realloc() now.
  (Thanks to chenshx for his patch)
* improve support of other scheme in the fsm. It is now able
          to manage transaction with non-sipurl in the To or From header!
* urls.h: fix MACROs for adding parameters.
* new optional algo using gperf (thanks to <chenshx@mail.datang.com>)
  use ./configure --enable-gperf
* new debugging tools with mpatrol: ./configure --enable-mpatrol

libosip (0.8.7)
* reject message with 2 call-id, 2cseq, 2 from, 2 to...
* allow generic_param can have a NULL value!.
* ist and nist was calling the wrong callback on retransmission.
* New checking rules compliant to the latest draft for internal
  management of transactions.
* "make check" is available and improve results ouput.
* delete warnings for OpenBSD compilation. The port to pth is still
  an issue for me.

libosip (0.8.6)
* documentation started with Doxygen.

libosip (0.8.5)
* Dialog fully tested and hoped to be correct.
* osip_create_transaction: can now be used to create ICT and NICT
* contact_param_add: fix MACRO! an argument was missing.
* dialog.c: make it more compliant: TO BE TESTED!
* transaction.c: MAJOR CHANGE: transaction_free() must now be called by the
  application! This way, you can re-use data before releasing the context..
* add a failure case when there is no '>' char when '<' is found.
* fix compilations issue with --disable-mt.

libosip (0.8.4)
* ist_fsm.c: start timer i while entering CONFIRMED state.
* urls.c: bug in line 210.
* msg_cparser.c: switch CONTACT_SHORT & CONTENT_LENGTH_SHORT in table.
* osip_distribute_event(): obsolete!
  this method was previously used ONLY for incoming message.
  This was not clear! Now, you must use osip_find_transaction()
  and osip_create_transaction() instead.
* msg_write.c: add msg_clone()
* smsg.h: fix MACROS

libosip (0.8.3)
* add lock/unlock methods for searching in transactions
* improve reliability when a NULL pointer is given to *_free methods.
* many bugs fixes in fsm/*
* parser/hdr_via.c: support for ipv6. Previous version are not compliant.

libosip (0.8.2)
* ipv6 support (need more testing.)  - Thanks to tomohide.
* support for any scheme in url. (Use with care with applications.)
* support for sysv semaphore.

libosip (0.8.1) testing ;urgency=high
* new finite state machines for TRANSACTION LAYER compliant with
  the rfc2543bis-09.txt. This is a total rewrite. Those new
  fsm should be usable either by proxies and endpoints. The
  difference is in the UAC_UAC_core and Proxy_core. (Stateless
  proxy don't need any state machines!)
* some bug fixes and one memory leak in the parser.
* COMPATIBILITY WITH PREVIOUS RELEASE IS NOT KEPT!
* test in ./example and ./example_mt are deprecated and removed.

libosip (0.8.0) testing ;urgency=high
* new SDP parser
* new SDP automtic negociation facility (for User Agent)

libosip (0.7.9) testing ;urgency=low
        * hdr_authorization.c/hdr_wwwauthenticate.c:
          Interoperability issue with Vovida.
        * hdr_via.c: add the via_appendtopvia(...) as required by users...
        * Windows updates makefiles (VC6++, tested on NT4).
        * gcc-3.0 updates and ANSI modifications:
        * Thanks to marko for little improvments.

libosip (0.7.8) testing ;urgency=high
        * this version is full SIP compliant with some excetions. Ask
          osip@atosc.org for current status.
        * HNY :-)
        * Thanks to contributors for patches:
           Vytautas Vysniauskas
           Rick Flott.

libosip (?.?.?) testing ;urgency=low
        * oSIP is the official name!!!